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Join Date: Jun 2000
Location: bottom left corner of the world
Posts: 22,725
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Welding galvanised steel and chrome questions.
Hi Guys.
Mig welding galvanised iron. I've done it before, grind the galvanising off, weld the other bit of steel on, good airflow outdoors. But how toxic is it? Can I do it in a workshop type location? On a Honda motorbike the handlebar has got rusty. A new one is quite expensive. Can I get it re-chromed? And do I just sand and smooth the rust area and take it to some chroming place or is it a bit more involved than that. Thanks! |
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11-05-2023, 09:36 AM
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Cars and Cappuccino
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My BIL is dealing with very serious health issues due to welding stainless for years. It's not a good situation. Galvanized can be dangerous too. be careful.
https://whatispiping.com/welding-galvanized-steel/
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http://www.carsandcappuccino.com 1987 Grand Prix White "Outlaw" Turbo Coupe w/go-fast bits 1985 Prussian Blau M491 Targa 1977 Mexico Blue back-dated,flared,3.2,sunroof-delete Coupe 1972 Black 911 T Coupe to first factory Turbo (R5 chassis) tribute car (someday) |
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11-05-2023, 10:38 AM
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Join Date: Dec 2001
Location: Cambridge, MA
Posts: 44,295
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Bill, I've welded galvanized steel tube with it ground off but still felt sick and lightheaded after a day of welding. If you are doing a one time small weld you should be fine. But I welded all day long and will never do that again.
For chrome, you would want to just dress it with a scotch brite pad and let the chrome shop work on it. They will strip any existing chrome, use silver solder to fill pitting and then sand smooth and copper nickel chrome.
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Tru6 Restoration & Design |
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11-05-2023, 10:56 AM
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Thanks Guys. It's actually a day or so of work, so I'll do it outside with a good breeze blowing. I've done much the same project before outside in the wind and didn't feel ill. I have a nice new workshop, which would be excellent for this sort of thing haha, but I'll still do it outside.
And thanks re handlebar chroming. I may look for aftermarket handlebars that look much the same. |
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11-05-2023, 11:14 AM
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Almost Banned Once
Join Date: Feb 2009
Location: Adelaide South Australia
Posts: 38,327
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The latest info... Get yourself a "Welding Helmet with a Powered Air Respirator".
https://weldinghelmetsonline.com.au/collections/welding-helmets-with-a-powered-air-respirator (NZ) https://www.boc.co.nz/shop/en/nz/welding-safety-ppe-workshop-equipment/welding-helmets-welding-goggles https://www.boc.co.nz/shop/en/nz/welding-safety-ppe-workshop-equipment/respirators-respirator-filters
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- Peter |
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11-05-2023, 02:16 PM
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Thanks Peter.
I've already got this one. I'm not sure it would fit under my welding helmet though. As a small timer the other fancier ones are too expensive. Maybe for the first time ever for me, Wellington's famous winds will be of use to me. 
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11-05-2023, 02:27 PM
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Almost Banned Once
Join Date: Feb 2009
Location: Adelaide South Australia
Posts: 38,327
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Do you have any face nappies left over from COVID? lol
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- Peter |
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11-05-2023, 03:01 PM
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Join Date: Jun 2000
Location: bottom left corner of the world
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Don't need the face nappies. But thank you for the links. It hadn't occurred to me that the above respirator would fit under my welding mask. It fits well
 I think I'll still do the welding outdoors though but wear the respirator to be doubly safe.
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11-05-2023, 04:26 PM
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Join Date: Dec 2001
Location: MN
Posts: 169
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Read up on "zinc chills"
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11-05-2023, 04:41 PM
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Registered
Join Date: Jun 2000
Location: bottom left corner of the world
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Quote:
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11-05-2023, 04:49 PM
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Slippery Slope Victim
Join Date: Oct 2001
Location: Brooklyn, NY USA
Posts: 4,385
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Many years ago I was pimping for a welder in the shop who was welding up pipe supports that were gal. He would send me out for a few quarts of milk. He would down one before starting and after finishing the day.
https://app.aws.org/forum/topic_show.pl?tid=4626#:~:text=The%20milk%20theory %20is%20that,severe%20exposure%20to%20zinc%20fumes.
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MikeČ 1985 M491 |
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11-06-2023, 02:50 AM
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